National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Baltimore, Inner Harbor (KDMH)

Lat: 39.28°NLon: 76.62°WElev: 20ft.

64°F

18°C

Humidity 41%
Wind Speed NA
Barometer 29.91 in (1012.7 mb)
Dewpoint 40°F (4°C)
Visibility NA
Last update 20 Mar 2:53 pm EDT
Extended Forecast for

Gwynn Oak MD

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 67. South wind 13 to 15 mph, with gusts as high as 25 mph.

    High: 67 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then isolated showers between 2am and 3am. Low around 48. Southwest wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Showers then
    Scattered
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 62. North wind around 7 mph.

    High: 62 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 46. Calm wind becoming southeast around 5 mph after midnight.

    Low: 46 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 75. South wind 6 to 9 mph.

    High: 75 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely before 8am, then a chance of rain between 8am and 2pm. Partly sunny, with a high near 58. Chance of precipitation is 60%.

    High: 58 °F

    Showers
    Likely then
    Chance Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 67. South wind 13 to 15 mph, with gusts as high as 25 mph.
Tonight
Showers and thunderstorms before 2am, then isolated showers between 2am and 3am. Low around 48. Southwest wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 62. North wind around 7 mph.
Saturday Night
Increasing clouds, with a low around 46. Calm wind becoming southeast around 5 mph after midnight.
Sunday
Partly sunny, with a high near 75. South wind 6 to 9 mph.
Sunday Night
A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Monday
Showers likely before 8am, then a chance of rain between 8am and 2pm. Partly sunny, with a high near 58. Chance of precipitation is 60%.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Mostly cloudy, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Partly sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gwynn Oak MD
 39.3°N 76.72°W (Elev. 400 ft)
Last Update:
2:23 pm EDT Mar 20, 2026
Forecast Valid:
2pm EDT Mar 20, 2026-6pm EDT Mar 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation